<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
    <head>
        <title> New Document </title>
        <meta name="Generator" content="EditPlus">
        <meta name="Author" content="">
        <meta name="Keywords" content="">
        <meta name="Description" content="">
        <script type="text/javascript">
            window.onload=function(){
                //写入
                var oneInner = document.createElement("div");
                oneInner.setAttribute("style","background:#663398;position:absolute;width:100px;height:100px;border:solid 3px #2F74A7;cursor:pointer;");
                var oneButton = document.createElement("input");
                oneButton.setAttribute("type","button");
                oneButton.setAttribute("value","x");
                if (oneButton.style.cssFloat)
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                    oneButton.style.cssFloat="right"
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                else
                {oneButton.style.styleFloat="right"}
                oneInner.appendChild(oneButton);
                document.body.appendChild(oneInner);

                //定时器
                var a1a = setInterval(moves,100);
                //函数
 

                var x = 10;
                var y = 10;

                function moves(){
                    var tops = oneInner.offsetTop
                    var lefts = oneInner.offsetLeft

                    if (lefts>=document.documentElement.clientWidth-oneInner.offsetWidth||lefts<=0)
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                        x=-x
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                    {
                        y=-y
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                    tops+=y;
                    lefts+=x;

                    oneInner.style.top=tops+"px"
                    oneInner.style.left=lefts+"px"
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                //悬停停止
                oneInner.onmouseover=function(){
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                }
                //放手继续运动
                oneInner.onmouseout=function(){
                    a1a =setInterval(moves,100);
                }
                //删除
                oneButton.onclick=function(){
                    document.body.removeChild(oneInner);
                }
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        </script>

    </head>

    <body>


    </body>
</html>